code: def forward(self, x):
      self.retain_inputs((0,))
      xp = backend.get_array_module(*x)
      return (utils.force_array(xp.sinh(x[0])),)
  
file_path: chainer/chainer/functions/math/hyperbolic.py
imports: from chainer import backend
  from chainer import function_node
  from chainer import utils
  from chainer.utils import type_check
label_desc: Use image node_id 3 for calling the Sinh obj's underlying member method code with example usage: obj.forward(x) and returns: utils